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Validation 输入验证失败时未调用valueChangeListener_Validation_Jsf_Primefaces_Selectonemenu_Valuechangelistener - Fatal编程技术网

Validation 输入验证失败时未调用valueChangeListener

Validation 输入验证失败时未调用valueChangeListener,validation,jsf,primefaces,selectonemenu,valuechangelistener,Validation,Jsf,Primefaces,Selectonemenu,Valuechangelistener,在selectOneMenu中,当针对f:validator、f:attribute的验证失败时,valueChangeListener不会被调用,我也尝试了immediate=“true”,但没有成功。 非常感谢您的帮助。谢谢。 下面是代码片段: <p:selectOneMenu id="firstinputselectone" rendered="#{!dynamicUIPreEnrollmentAction.singleProfile}"

在selectOneMenu中,当针对f:validator、f:attribute的验证失败时,valueChangeListener不会被调用,我也尝试了immediate=“true”,但没有成功。 非常感谢您的帮助。谢谢。 下面是代码片段:

<p:selectOneMenu id="firstinputselectone"   rendered="#{!dynamicUIPreEnrollmentAction.singleProfile}"
                        valueChangeListener="#{dynamicUIPreEnrollmentAction.showLayoutPreview}" 
                        styleClass="#{extraFieldDTO.isReadOnly eq '1' ?'disabledInputFieldSelectItem' :'enabledInputFieldSelectItem'}"
                        disabled="#{extraFieldDTO.isReadOnly eq '1'}"
                        value="#{extraFieldDTO.stringFieldValue}">
    <f:selectItem itemLabel="#{msg.DROP_SELECTONE}"
        id="selectItem_24" />

    <f:selectItems
        value="#{dropDownParserAction.getGenericLinkedKeyValueListMap(null,extraFieldDTO.dropDownSearchValue,extraFieldDTO.dropDownType,extraFieldDTO.firstLinkedDropDownType)}"
        id="selectItems_24655" />
    <p:ajax event="change" id="ajax_2" update="@form" />
    <f:validator validatorId="dynamicUIValidator" />
    <f:attribute name="DYNAMICUIDATAOBJECT" value="#{extraFieldDTO}" />
</p:selectOneMenu>
                                    </h:panelGroup>
                                </p:fieldset>
                                <p:spacer width="50" />
                                <p:fieldset legend="#{msg.LBL_BACKCARD}" toggleable="false"
                                    style="width:400px;height:400px;background-color:#e6e6e6">
                                    <h:panelGroup>
                                        <br clear="none" />
                                        <br clear="none" />
                                        <br clear="none" />
                                        <br clear="none" />
                                        <p:spacer height="40" />
                                        <h:graphicImage id="layout_present_idar590" rendered="#{dynamicUIPreEnrollmentAction.backProfileLayout ne null}"
                                            value="data:image/jpg;base64,#{dynamicUIPreEnrollmentAction.backProfileLayout}" />

                                    </h:panelGroup>
                                </p:fieldset>
                            </h:panelGrid>
                        </div>
                    </p:outputPanel>

                                    </h:panelGroup>
                                </p:fieldset>
                                <p:spacer width="50" />
                                <p:fieldset legend="#{msg.LBL_BACKCARD}" toggleable="false"
                                    style="width:400px;height:400px;background-color:#e6e6e6">
                                    <h:panelGroup>
                                        <br clear="none" />
                                        <br clear="none" />
                                        <br clear="none" />
                                        <br clear="none" />
                                        <p:spacer height="40" />
                                        <h:graphicImage id="layout_present_idar590" rendered="#{dynamicUIPreEnrollmentAction.backProfileLayout ne null}"
                                            value="data:image/jpg;base64,#{dynamicUIPreEnrollmentAction.backProfileLayout}" />

                                    </h:panelGroup>
                                </p:fieldset>
                            </h:panelGrid>
                        </div>
                    </p:outputPanel>





谢谢,我通过在布局面板中使用rendered=“!facesContext.validationFailed”获得了解决方法,验证失败时不应呈现该方法。
以下是代码片段:











谢谢,我通过在布局面板中使用rendered=“!facesContext.validationFailed”获得了解决方法,验证失败时不应呈现该方法。
以下是代码片段:












如果验证失败,那么就没有新值的方法,因此它是合乎逻辑的,不会被调用。到底是什么